Mission 4: To catch a Thief. Go to Port Sarim Jail for this mission. Talk to the thief in the cell. He'll reveal that he hidden some valuable loot. The thief isn't going to speak, since only his accomplice knows where the location is. Find the RS gold 16th level Thief in Port Sarim, and select Follow. He will eventually stand in front of the odd statue that is located in Port Sarim. To find the treasure you need to use a spade, and dig after he has gone. Tiffy Cashien will take it back
How to obtain the required items: You'll need an Solar Ore as well as a Solar Bar. The mining site and Solar Ore on the west side of the. You can extract the crystal-clear rocks by going down into the crater. You will be awarded one Solar Ore. Bring Hammers. To create an Solar Bar, combine the solar ore with the furnace. Select the OSRS buy gold Smith Solar Staff and use the Solar Bar to create a Solar Bar. Once you have received an Solar Staff, you will require it. You'll need at least 70 Magic and 80 Attack in order to utilize the Solar Staff.